Change alpha value for Canvas : alpha « Effects « Flex

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Flex » Effects » alphaScreenshots 
Change alpha value for Canvas
Change alpha value for Canvas
         
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
    <mx:Script>
        
            [Bindable]
            private var dp:Array =[
                        {label:'A', data:1},
                        {label:'B', data:2},
                        {label:'C', data:3},
                        {label:'D', data:4}
            ];
      
    </mx:Script>
    <mx:Canvas x="218" width="200" height="200" verticalCenter="10.5" backgroundColor="#ffffff" cornerRadius="8"
        borderStyle="solid" alpha="0.5">
        <mx:ComboBox x="10" y="10" dataProvider="{dp}" width="180"></mx:ComboBox>
        <mx:DataGrid x="10" y="40" width="180" height="120" dataProvider="{dp}">
            <mx:columns>
                <mx:DataGridColumn headerText="Id" dataField="data" width="30" />
                <mx:DataGridColumn headerText="Artist" dataField="label"  />
            </mx:columns>
        </mx:DataGrid>
        <mx:Button x="10" y="166" label="Button"/>
    </mx:Canvas>
    
</mx:Application>

   
    
    
    
    
    
    
    
    
  
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4.change the width, color, and alpha of the axis line with the tag.change the width, color, and alpha of the axis line with the <mx:axisStroke> tag.
5.alpha is short for alpha channel, and it is a number from 0 to 1 that controls how transparencyalpha is short for alpha channel, and it is a number from 0 to 1 that controls how transparency
6.Change button alpha value when clicking the buttonChange button alpha value when clicking the button
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